Home / 156,195.27-215,541.54-88,206.84

Finding the Fourth Proportional to 156,195.27, 215,541.54 and 88,206.84

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Solution

The fourth proportional to 156,195.27, 215,541.54 and 88,206.84 is: 121,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,195.27 : 215,541.54 = 88,206.84 : x
  2. Step 2: Convert to fraction form
    156,195.27/215,541.54 = 88,206.84/x
  3. Step 3: Cross multiply
    156,195.27x = 215,541.54 × 88,206.84
  4. Step 4: Simplify right side
    156,195.27x = 19,012,238,132.13
  5. Step 5: Solve for x
    x = 19,012,238,132.13/156,195.27
  6. Step 6: Final answer
    x = 121,720.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.